2010 2016 JMRI Suzie Tall suzie_tall@yahoo.co.uk 1.0 2016-12-02 ST Initial Version 1.1 2019-12-30 BM Remove ourAspect values which cannot be displayed by this mast type 2 2020-03-05 GM Initial version of the 1980 C&O Signal rules. This set was created by back dating the CSX-2014-Chessie rule set created by Suzi Tall. Back dating required removal of some aspects and altering the mapping to compensate for their removal. While based on the 1980 rule book, they are the same rules that were in affect in 1969. C&O 1980 1-3-3 head absolute high signal R-YGR-RYG As described in the 1980 version of the Chessie System Operating Rules "Signal Rules - 281-292". Appearances for a triple 3 lamp signal head without other badging and no top green and yellow Medium Clear red green dark Rule 283 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/rule-C1283.gif Medium Approach Slow red yellow green Rule 283-A ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/rule-C1283B.gif Medium Approach red yellow yellow Rule 286 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/rule-C1286.gif Slow Clear red red green Rule 287 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/rule-C1287.gif Slow Approach red yellow red Rule 288 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/rule-C1288.gif Restricting red yellow dark Rule 290 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/rule-C1290.gif Stop red red dark Rule 292 ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/rule-C1292.gif Unlit dark dark dark - ../../../resources/icons/smallschematics/aspects/CSX-2014-Chessie/CO-1-3-3-hi/CO-1-3-3-hi.gif Stop Restricting Stop Unlit Clear Medium Clear Slow Clear Restricting Approach Medium Medium Clear Slow Clear Restricting Medium Clear Medium Approach Slow Slow Approach Restricting Medium Approach Slow Medium Approach Slow Slow Approach Restricting Approach Slow Medium Clear Slow Clear Restricting Approach Medium Clear Slow Clear Restricting Medium Approach Medium Approach Slow Slow Approach Restricting Slow Clear Medium Approach Slow Slow Approach Restricting Slow Approach Medium Approach Slow Slow Approach Restricting Restricting Medium Approach Slow Approach Restricting Stop and Proceed Medium Approach Slow Approach Restricting Stop Medium Approach Slow Approach Restricting